About YASUDA SEIJI
About 九州工技試化学部
About KAKIYAMA HITOO
About 九州工技試化学部
About 九州工業技術試験所報告
About petroleum pitch
About Physical analysis of minerals,rocks,ores
About Physical analysis of elements in organic substances
About Properties,composition,analysis and test of coal and coke
About Properties,analysis and test of petroleum and petroleum products
About 石炭
About 石油
About ピッチ
About 硫黄
About X線
About 状態分析